A valid test
A) rarely is reliable. B) measures what it is designed to measure.
C) is standardized. D) yields consistent results.
B
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For some strange reason, a music teacher gives students a vocabulary test before deciding what the right musical instrument is for each student. The vocabulary test gives consistent results, but the students are rarely happy with the instrument they play. The problem is that the vocabulary test ____
a. is valid but not reliable b. has excessive reliability c. is neither reliable nor valid d. is reliable but not valid
Research exploring infantile temperament has found that there are generally three different temperaments. They are
A) anxious, responsive, and relaxed. B) sensorimotor, preoperational, and operational. C) secure, insecure, and disorganized. D) easy, difficult, and slow-to-warm-up.
Many people respond positively to a new drug just because of the enthusiasm surrounding it and their own expectations that the drug will make them feel better. This phenomenon is called the:
a. placebo effect. b. novelty bias. c. therapeutic window. d. publication bias.
Which statement is true of neurons?
A. Neurons have a high metabolic rate and require a continuous source of fuel. B. The dendrites store nutrients and oxygen for later use by the soma of the neuron. C. Neurons make up 89 percent of the volume of the brain. D. Dead glial cells are replaced by newly formed neurons.